kvaser_usb devlink support

This document describes the devlink features implemented by the kvaser_usb device driver.

Info versions

The kvaser_usb driver reports the following versions

devlink info versions implemented

Name	Type	Description
fw	running	Version of the firmware running on the device. Also available through ethtool -i as firmware-version.
board.rev	fixed	The device hardware revision.
board.id	fixed	The device EAN (product number).
serial_number	fixed	The device serial number.